EP2698962A1 - Procédé et dispositif de partage de contenu - Google Patents

Procédé et dispositif de partage de contenu Download PDF

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Publication number
EP2698962A1
EP2698962A1 EP12782723.6A EP12782723A EP2698962A1 EP 2698962 A1 EP2698962 A1 EP 2698962A1 EP 12782723 A EP12782723 A EP 12782723A EP 2698962 A1 EP2698962 A1 EP 2698962A1
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EP
European Patent Office
Prior art keywords
content
share
session
initiating terminal
played
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12782723.6A
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German (de)
English (en)
Other versions
EP2698962A4 (fr
EP2698962B1 (fr
Inventor
Lei Wang
Wenmei Gao
Shunan Fan
Xiaoqiang LV
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Huawei Device Co Ltd
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Huawei Device Co Ltd
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Publication of EP2698962A1 publication Critical patent/EP2698962A1/fr
Publication of EP2698962A4 publication Critical patent/EP2698962A4/fr
Application granted granted Critical
Publication of EP2698962B1 publication Critical patent/EP2698962B1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1089—In-session procedures by adding media; by removing media
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1093—In-session procedures by adding participants; by removing participants
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/148—Migration or transfer of sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP

Definitions

  • IPTV Internet Protocol Television
  • IPTV Internet Protocol Television
  • IPTV Internet Protocol Television
  • the IPTV technology integrates multiple technologies such as Internet, multimedia, and communication, uses a broadband network as an infrastructure, uses a home television set, a personal computer, a mobile phone, and so on as main display terminals, and provides multiple interactive multimedia services including digital television programs to a user through an IP protocol.
  • the IPTV is mainly characterized in that it changes the traditional one-way broadcast media transmission manner, enables the user to receive media on demand, and implements real-time interaction between the user and the media content provider, thus better satisfying personalized requirements of the user.
  • a video share (Video Share) service refers to a video share service initiated by the user to the peer in a call process.
  • the shared object may be a video collected in real time by a mobile terminal through a camera, or may be a video clip file stored on the terminal.
  • the user may randomly initiate and terminate the service.
  • Shared content is not limited to videos, and discrete media may also be shared, which are collectively referred to as content share (Content share).
  • the content share performed in the IPTV system should support the solution for sharing a program watched on the current device.
  • the solution of the prior art does not provide a solution for sharing content on demand (Content on Demand, "CoD") currently watched by the user.
  • CoD Content on Demand
  • the program may be switched between different terminals due to requirements of the user (for example, the user watches the program at home, and transfers the program to a mobile phone, or vice versa).
  • the prior art may satisfy session continuity when watched IPTV content is switched between different terminals.
  • the content share AS cannot perceive session transfer, that is, when session transfer occurs on the content share sender, because what concerns the content share AS is the initiating terminal specified when the content share is initiated, the information obtained by the content share AS is that the terminal where the shared content is located quits the watched program (actually, the user of the content share initiator does not quit the program), and therefore, the share operation to the peer is also terminated. As a result, the share session is interrupted and cannot be continued with the program operation of the player after transfer.
  • Embodiments of the present invention provide a method, device, and system for content sharing in an Internet Protocol Television, so that a user may flexibly terminate a share session or continue to share content when session transfer occurs on the content share sender.
  • a method for content sharing in an Internet Protocol Television includes:
  • a system for content sharing includes: a content share application server, configured to receive a content share request, establish a share session with a receiving terminal, and share session content, which is played on a first initiating terminal, with the receiving terminal; and an Internet Protocol Television control device, configured to transfer the session content, which is played on the first initiating terminal, to a second initiating terminal for continuously playing, and send a state notification about transferring the played session content from the first initiating terminal to the second initiating terminal; where the content share application server is further configured to receive the state notification about transferring the played session content from the first initiating terminal to the second initiating terminal, and according to the state notification, end the share session or continue to share the session content continuously played on the second initiating terminal.
  • a content share application server includes a sharing module, configured to receive a content share request, establish a share session with a receiving terminal, and share session content, which is played on a first initiating terminal, with the receiving terminal; and a controlling module, configured to receive a state notification about transferring the played session content from the first initiating terminal to a second initiating terminal, and according to the state notification, end the share session or continue to share the session content, which is continuously played on the second initiating terminal, with the receiving terminal.
  • a sharing module configured to receive a content share request, establish a share session with a receiving terminal, and share session content, which is played on a first initiating terminal, with the receiving terminal
  • a controlling module configured to receive a state notification about transferring the played session content from the first initiating terminal to a second initiating terminal, and according to the state notification, end the share session or continue to share the session content, which is continuously played on the second initiating terminal, with the receiving terminal.
  • CoD content watched on the initiating terminal can be shared, and when transfer occurs between display terminals of the content share initiator, a content share AS can perceive the transfer, and continuity of the share session can be ensured.
  • Solutions of the embodiments of the present invention can ensure that the content shared later is consistent with the operation of the initiating terminal after transfer (for example, the share receiver can perform a synchronous operation after a new terminal changes a channel). Therefore, the content share service in the IPTV is not affected by session transfer of the share display terminal.
  • IPTV Terminal Function in all embodiments of the present invention is equivalent to an open IPTV terminal function device (Open IPTV Terminal Function, "OITF") + an IP multimedia subsystem gateway (IP Multimedia Subsystem Gateway, "IG"), or equivalent to an IP multimedia subsystem (IP Multimedia Subsystem, "IMS”) or Session Initiation Protocol (Session Initiation Protocol, "SIP”) terminal device (such as a mobile phone); therefore, the ITF related solution in the embodiments of the present invention is also applicable to IMS/SIP terminals such as a mobile phone.
  • IMS IP Multimedia Subsystem
  • Session Initiation Protocol Session Initiation Protocol
  • SIP messages in all embodiments of the present invention are forwarded through a logical SIP proxy server (SIP proxy) (a call session control function in the IMS (Call Session Control Function, "CSCF”) device, and an authentication and session management (Authentication and Session Management, "ASM”) device in the IPTV), which are basic message forwarding functions understandable to persons of ordinary skill in the art and therefore are not further described here.
  • SIP proxy a call session control function in the IMS (Call Session Control Function, "CSCF" device, and an authentication and session management (Authentication and Session Management, "ASM”) device in the IPTV
  • FIG. 1 is a flowchart of Embodiment 1 according to the present invention.
  • FIG. 2 is a time sequence diagram of Embodiment 1 according to the present invention. The specific implementation process of the first embodiment of the present invention is described in detail in combination with FIG. 1 and FIG. 2 .
  • step S110 the network side receives a content share request (SIP invite invite message), establishes a share session with a receiving terminal ITFb, and shares the session content, which is played on a first initiating terminal ITFa1, with the receiving terminal.
  • a content share request SIP invite invite message
  • step S110 may include:
  • the content share application server controls the corresponding media resource function processor (Media Resource Function processor, "MRFP" to access, according to the content information of the CoD currently watched on ITFa1 (for example, Bookmark information including a content identifier and the currently watched program position), the CoD media content currently watched on ITFa1, and after receiving a response (200 ok) from the ITFb terminal, forwards the CoD media (RTP stream in FIG. 2 ) to the ITFb.
  • Media Resource Function processor Media Resource Function processor
  • step S120 the network side transfers the session content played on the first initiating terminal ITFa1 to a second initiating terminal ITF2 for continuously playing, and sends a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2.
  • step S120 may include:
  • step S130 the network side receives a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2, and according to the state notification, ends the share session or continues to share the session content continuously played on the second initiating terminal.
  • the network side ends the content share session.
  • step S130 may include:
  • ITFa1 actively sends a bye message to the content share AS, triggering termination of the share session.
  • step 206a session transfer is performed, and the content watched on ITFa1 is transferred to ITFa2, and it is indicated, in the transfer process, that the process of sharing the media content watched on ITFa2 is not continued any longer, which may be completed by a 3GPP media transfer process (specifications 23. 237 and 24.237d).
  • the 3GPP dynamic device discovery process allows the user to discover all registered terminals with all user identities in the same subscription.
  • FIG. 3 is a time sequence diagram of a 3GPP dynamic device discovery process. Specifically:
  • the logical function of the ASM is the same as the call session control function of the IMS (call session control function, "CSCF") or SIP proxy.
  • the logical function is mainly to implement authentication (when required) and SIP message forwarding (as shown in FIG. 3 ).
  • the CSCF device is omitted. It should be noted that all SIP messages are forwarded through the ASM. It should be understood by persons of ordinary skill in the art that in international specifications such as 3GPP specifications, in the case of forwarding without specific processing, the CSCF is usually omitted in the description of the solution.
  • FIG. 4 shows a time sequence diagram of media transfer in 3GPP, specifically:
  • the present invention may use a SIP REFER message to transfer the content watched on ITFa1 to ITFa2.
  • FIG. 5 is a time sequence diagram of transferring content watched on ITFa1 to ITFa2 by using a SIP REFER message, specifically:
  • the SIP REFER message is extended to indicate whether to continue to share the content on the new device, namely, ITFa2.
  • the message is sent to the IPTV control. Therefore, the IPTV control may learn whether to continue to share the content, and sends a Notify notification of the corresponding content to the Content share AS. According to an exemplary embodiment, if the default is not continuingd, the message does not need to be extended.
  • the process of terminating (tear down) the session to ITFa1 may be executed after step 514 or step 511.
  • FIG. 6 is a flowchart of Embodiment 2 according to the present invention.
  • FIG. 7A and FIG. 7B are a time sequence diagram of a specific implementation of the second embodiment according to the present invention.
  • the difference between Embodiment 2 and Embodiment 1 lies in that the session content played on ITFa2 continues to be shared after the session content is transferred from ITFa1 to ITFa2. Therefore, step S610 of the method of Embodiment 2 is basically similar to step S110 of Embodiment 1, and is not further described here.
  • step S620 the session content played on the first initiating terminal ITFa1 is transferred to a second initiating terminal ITF2 for continuously playing, and a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2 is sent.
  • the state notification indicates that the CoD content played on ITFa2 continues to be shared.
  • step S610 includes basically the same content as step S110. As shown in FIG. 7A and FIG. 7B , step S610 includes steps 701 to 705, and steps 701 to 705 in FIG. 7A and FIG. 7B are basically the same as steps 201 to 205 in FIG. 2 .
  • Step S620 may include:
  • step S630 the network side receives a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2, and according to the state notification, ends the share session or continues to share the session content continuously played on the second initiating terminal.
  • the content played on ITFa2 continues to be shared.
  • step S630 includes:
  • step 706a session transfer is performed, and the content watched on ITFa1 is transferred to ITFa2, and it is indicated, in the transfer process, that the process of sharing the media content watched on ITFa2 is continued, which may be completed by a 3GPP dynamic device discovery process (specifications 23. 237 and 24.237).
  • Embodiment 2 may also use a SIP REFER message to transfer the content watched on ITFa1 to ITFa2.
  • the SIP REFER message is extended to indicate that content on ITFa2 continues to be shared. If the default is continuing to share content, the SIP REFER message may not be extended.
  • Embodiment 2 may notify the Content share AS of session transfer to change the signaling control terminal of the content share session, that is, both the media and the session are transferred.
  • the session transfer process is a relatively independent process, and has no necessary order with other contentd in the embodiment of the present invention.
  • FIG. 8 is a flowchart of Embodiment 3 according to the present invention.
  • FIG. 9A and FIG. 9B are a time sequence diagram of Embodiment 3 according to the present invention.
  • Embodiment 3 is basically the same as Embodiment 2, and the difference is that in Embodiment 3, user A uses IFTa2 to send an Invite message to the Content share AS, indicating the shared CoD media content being watched on ITFa1.
  • Embodiment 3 includes:
  • Step S810 includes:
  • the content share application server controls the corresponding media resource function processor (Media Resource Function processor, "MRFP" to access, according to the content information of the CoD currently watched on ITFa1 (for example, Bookmark information including a content identifier and the currently watched program position), the CoD media content currently watched on ITFa1, and after receiving a response (200 ok) from the ITFb terminal, forwards the CoD media (RTP stream in FIG. 9A and FIG. 9B ) to the ITFb.
  • Media Resource Function processor Media Resource Function processor
  • steps S820 and S830 in Embodiment 3 are basically the same as steps S620 and S630 in Embodiment 2, and are not further described here, where step S820 includes steps 906a to 906b, while step S830 includes steps 907 to 911.
  • Embodiment 3 Because the content share session in Embodiment 3 is initiated by ITFa2, no content share session transfer occurs (transfer from ITFa1 to ITFa2). Therefore, in an exemplary embodiment, ITFa2 notifies, through a re-invite message, the Content share AS that the AS content source is changed, that is, ITFa1 is changed to ITFa2.
  • FIG. 10A and FIG. 10B show a time sequence diagram of the exemplary embodiment. Steps 1001 to 1005 included in the embodiment shown in FIG. 10A and FIG. 10B are basically similar to steps 901 to 905 in the embodiment shown in FIG. 9A and FIG. 9B . The following specifically describes the difference between the embodiment shown in FIG. 10A and FIG. 10B and the embodiment shown in FIG. 9A and FIG. 9B .
  • the embodiment shown in FIG. 10A and FIG. 10B includes:
  • ITFa2 sends a Re-invite message to the Content Share AS, indicating that the media content on ITFa2 continues to be shared.
  • Step S9030 may include:
  • the SIP REFER message may not be extended, but the content on ITFa2 continues to be shared by default.
  • FIG. 11A and FIG. 11B show a time sequence diagram of Embodiment 4 of the present invention.
  • OITFa1 and OITFa2 are located in a same IG; the content share implementation is similar to those in Embodiment 1 to Embodiment 3, but the interaction process between the OITF and the IG is added.
  • Embodiment 4 The following specifically describes Embodiment 4:
  • FIG. 12A and FIG. 12B show a process of transferring content from ITFa1 to ITFa2 by using a SIP REFER message in Embodiment 4 shown in FIG. 11A and FIG. 11B .
  • the process shown in FIG. 12A and FIG. 12B is similar to the process shown in FIG. 5 , and the difference lies in that the interaction with the IG is added.
  • the transfer process in FIG. 12A and FIG. 12B includes:
  • FIG. 13 shows an embodiment of a system 1300 for implementing a method for content sharing according to the present invention.
  • the system 1300 includes: a Content share AS 1310, configured to receive a content share request, establish a share session with a receiving terminal, and share session content, which is played on a first initiating terminal ITFa1, with the receiving terminal; and an IPTV Control device 1320, configured to transfer the session content, which is played on the first initiating terminal ITFa1, to a second initiating terminal ITF2 for continuously playing, and send a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2; where the Content share AS 1310 is configured to receive the state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2, and according to the state notification, end the share session or continue to share the session content continuously played on the second initiating terminal ITF2.
  • the Content share AS 1310 may receive a content share Invite request message from ITFa1, where the request message carries an indication indicating that the session content played on the first initiating terminal ITFa1 is requested to be shared.
  • the Content share AS 1310 may receive a content share Invite request message from ITFa2, where the request message carries an indication indicating that the session content played on the first initiating terminal ITFa1 is requested to be shared.
  • the IPTV Control device 1320 may include: a receiving module 1322, configured to receive a request message for transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2; a transferring module 1324, configured to receive the request message sent by the receiving module 1322, and transfer the session content, which is played on the first initiating terminal ITFa1, to the second initiating terminal ITF2 for continuously playing; and a sending module 1326, configured to send, to the Content share AS 1310, the state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2.
  • the receiving module 1322 is configured to receive, from the first initiating terminal ITFa1, a request message for transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2.
  • the Content share AS 1310 is further configured to send, to the IPTV Control device 1320, a subscription request for subscribing to the state of the content played on the first initiating terminal ITFa1;
  • the sending module 1326 is configured to send, to the Content share AS 1310 according to the subscription request of the Content share AS 1310, the information of the content played on the first terminal ITFa1, so that the Content Share AS 1310 establishes a share session with the receiving terminal ITFb according to the information of the content played on the first initiating terminal ITFa1 and shares the session content, which is played on the first initiating terminal ITFa1, with the receiving terminal ITFb.
  • the request message received by the receiving module 1322 carries indication information for ending the share session
  • the sending module 1326 is specifically configured to send, to the Content share AS 1310, a state notification carrying the indication information for ending the share session
  • the Content share AS 1310 is configured to end the share session with the receiving terminal ITFb according to the state notification carrying the indication information for ending the share session.
  • the request message received by the receiving module 1322 carries the state message of the indication information for continuing to share the session content played on the second initiating terminal ITFa2;
  • the sending module 1326 is specifically configured to send, to the Content share AS 1310, the state notification carrying the indication information for continuing to share the session content played on the second initiating terminal ITFa2;
  • the Content share AS 1310 is configured to continue to share, according to the state notification carrying the indication information for continuing to share the session content played on the second initiating terminal ITFa2, the session content played on the second initiating terminal ITFa2.
  • the Content share AS 1310 is further configured to send, to the IPTV Control device 1320, a subscription request for subscribing to the state of the content played on the second initiating terminal ITFa2; the sending module 1326 is configured to send, to the Content share AS 1310 according to the subscription request of the Content share AS 1310, the information of the content played on the second terminal ITFa2, so that the Content Share AS 1310 establishes a share session with the receiving terminal ITFb according to the information of the content played on the second initiating terminal ITFa2 and shares the session content, which is played on the second initiating terminal ITFa2, with the receiving terminal ITFb.
  • the receiving module 1322 is configured to receive a SIP REFER message from the first initiating terminal ITFa1; the transferring module 1324 transfers the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITFa2 according to the SIP REFER message, where the SIP REFER message carries indication information for ending the share session or continuing to share the session content played on the second initiating terminal ITFa2.
  • FIG. 15 is a structural block diagram of a Content Share AS of a system for content sharing according to an embodiment of the present invention.
  • the Content Share AS 1500 may include: a sharing module 1510, configured to receive a content share request, establish a share session with a receiving terminal ITFb, and share session content, which is played on a first initiating terminal ITFa1, with the receiving terminal ITFb; and a controlling module 1520, configured to receive a state notification about transferring the played session content from the first initiating terminal ITFa1 to the second initiating terminal ITF2, and according to the state notification, end the share session or continue to share the session content, which is continuously played on the second initiating terminal ITFa1, dwith the receiving terminal ITFb.
  • the content share request message received by the sharing module 1510 comes from the first initiating terminal ITFa1 or the second initiating terminal ITFa2, where the request message carries an indication indicating that the session content played on the first initiating terminal ITFa1 is requested to be shared.
  • the sharing module 1510 is specifically configured to: receive the content share request, and subscribe to, from an IPTV control device, information of the content played on the first initiating terminal; forward the share request to the receiving terminal to request to establish the share session; and access, according to the information of the content played on the first initiating terminal, which is sent by the IPTV device, the session content played on the first initiating terminal, and forward, through the share session, the session content played on the first initiating terminal to the receiving terminal.
  • the controlling module 1520 is a first controlling module, configured to receive, from the IPTV Control, the state notification carrying indication information for ending the share session, and end the share session with the receiving terminal according to the state notification carrying the indication information for ending the share session.
  • the controlling module 1520 is a second controlling module, configured to receive, from the IPTV Control, the state notification carrying indication information for continuing to share the session content played on the second initiating terminal ITFa2, and according to the state notification carrying the indication information for continuing to share the session content played on the second initiating terminal ITFa2, continue to share the session content played on the second initiating terminal ITFa2.
  • the second controlling module is specifically configured to: receive, from the Internet Protocol Television control device, the state notification carrying indication information for continuing to share the session content played on the second initiating terminal, and subscribe to information of the content, which is played on the second initiating terminal, from the IPTV control device according to the indication information for continuing to share the session content played on the second initiating terminal; and access, according to the information of the content played on the second initiating terminal, which is sent by the IPTV device, the session content played on the second initiating terminal, and forward, to the receiving terminal through the share session, the session content played on the second initiating terminal.
  • the steps of a method or algorithm described in connection with the embodiments disclosed here may be embodied in hardware, in a software module performed by a processor, or in a combination of the two.
  • the software module may be located in a Random Access Memory (RAM), an internal memory, a Read Only Memory (ROM), an Electrically Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a register, a hard disk, a removable disk, a Compact Disk-Read Only Memory (CD-ROM), or any other storage media well-known in the art.
  • RAM Random Access Memory
  • ROM Read Only Memory
  • EPROM Electrically Programmable Read Only Memory
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • register a hard disk, a removable disk, a Compact Disk-Read Only Memory (CD-ROM), or any other storage media well-known in the art.
EP12782723.6A 2011-05-10 2012-05-10 Procédé et dispositif de partage de contenu Active EP2698962B1 (fr)

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CN2011101201292A CN102780678A (zh) 2011-05-10 2011-05-10 共享内容的方法和设备
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EP2698962A4 (fr) 2014-05-21
US10044772B2 (en) 2018-08-07
CN102780678A (zh) 2012-11-14
WO2012152223A1 (fr) 2012-11-15
US20140068090A1 (en) 2014-03-06
US9686321B2 (en) 2017-06-20
EP2698962B1 (fr) 2018-03-07
CN107135412A (zh) 2017-09-05
US20170244764A1 (en) 2017-08-24

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